I'm having trouble using the basic 2d plot function. I want to be
able to plot things such as a simple quadratic or ellipse:
Examples: 2x^2 + 16x + 32 = 0 (Quadratic)
(x-5)^2/16 + (y+4)^2/25 = 1 (Ellipse)
But have failed to do so, having tried every variation i can think of
to get it to work.